
function postcheck(){
	
	 	var leftpos = screen.width / 2 - 400;
		var toppos = screen.height / 2 - 250;

	    go_url = "Main/FirstMain/Fm_zipcode.jsp";
	    
	 	window.open(go_url,'notice','scrollbars=yes,toolbar=no,resizable=1,location=no,menu=no,width=800,height=206,left=' + leftpos + ',top=' + toppos);
	
}